Can somone help me with this please? would appreciate it!

How do you convert 1.27 to a percentage

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?